M5Unified
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こんな表があってもいいかも?
I2C GPIO
| M5Stack<BR>BASIC/GRAY<BR>GO/FIRE | M5Stack<BR>Core2/Tough | M5Stick<BR>C/Cplus | M5Stack<BR>CoreInk | M5Paper | M5Station | M5ATOM<BR>Lite/Matrix<BR>ECHO/U<BR>PSRAM | M5STAMP<BR>PICO | M5Stamp<BR>C3/C3U | M5Stack<BR>CoreS3 | M5ATOMS3 <BR>/ S3Lite | |
|---|---|---|---|---|---|---|---|---|---|---|---|
PORT.A<BR>I2C_SDA |
21 | 32 | 32 | 32 | 25 | 32 | 26 | 32 | 1 | 2 | 2 |
PORT.A<BR>I2C_SCL |
22 | 33 | 33 | 33 | 32 | 33 | 32 | 33 | 0 | 1 | 1 |
| I2C1_SDA | 21 | 21 | 21 | 21 | 21 | 22 | 12 | 38 | |||
| I2C1_SCL | 22 | 22 | 22 | 22 | 22 | 25 | 11 | 39 |
| | M5Stack<BR>BASIC/GRAY<BR>GO/FIRE | M5Stack<BR>Core2/Tough | M5Stick<BR>C/Cplus | M5Stack<BR>CoreInk | M5Paper | M5Station | M5ATOM<BR>Lite/Matrix<BR>ECHO/U<BR>PSRAM | M5STAMP<BR>PICO | M5Stamp<BR>C3/C3U | M5Stack<BR>CoreS3 | M5ATOMS3 <BR>/ S3Lite |
|-------------------------|:--------------------------------:|:----------------------:|:------------------:|:------------------:|:-------:|:---------:|:----------------------------------------:|:---------------:|:-----------------:|:-----------------:|:---------------------:|
| `PORT.A`<BR>**I2C_SDA** | 21 | 32 | 32 | 32 | 25 | 32 | 26 | 32 | 1 | 2 | 2 |
| `PORT.A`<BR>**I2C_SCL** | 22 | 33 | 33 | 33 | 32 | 33 | 32 | 33 | 0 | 1 | 1 |
| **I2C1_SDA** | | 21 | 21 | 21 | 21 | 21 | 22 | | | 12 | 38 |
| **I2C1_SCL** | | 22 | 22 | 22 | 22 | 22 | 25 | | | 11 | 39 |
なるほど、これは良いですね…!